1. Rückgrat   kidney   spine   blood   lung   Hint Half-n-half Clue   2. Schädel   liver   lung   skull   spine   Half-n-half Clue   3. Eingeweide   veins   brain   intestines   lung   Half-n-half Clue   4. Adern   liver   veins   skull   intestines   Half-n-half Clue   5. Herz   heart   spine   muscle   gums   Half-n-half Clue   6. Lunge   stomach   lung   kidney   brain   Half-n-half Clue   7. Niere   kidney   intestines   brain   nerves   Half-n-half Clue